Crystal clear pockets on one side, welded over heavyweight, black polyester. Pockets are closed on three sides with overlapping cover leaf. Archival. These are the sleeves dealers and reputable auction houses use.
Fits sleeves: Wraparound Sleeve 743SP or Top Open Sleeve 744SP.
Size of pocket 5-3/4" x 3-1/8"H
Size of each strip: 5-3/4" x 1-1/2"H each